US2024411172A1PendingUtilityA1

Display device

Assignee: HEFEI BOE DISPLAY TECH CO LTDPriority: Sep 28, 2020Filed: Aug 21, 2024Published: Dec 12, 2024
Est. expirySep 28, 2040(~14.2 yrs left)· nominal 20-yr term from priority
G02F 2202/28G02F 2201/50G02F 1/136286G02F 1/1347G02F 1/133502G02F 1/133504G02F 1/133528
78
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Claims

Abstract

The present disclosure provides a display device. The display device includes: a liquid crystal display panel; a liquid crystal light control panel located on the light incident side of the liquid crystal display panel; and at least two haze layers located on the light emitting side of the liquid crystal display panel.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A display device, comprising:
 a liquid crystal display panel;   a liquid crystal light control panel, on a light incident side of the liquid crystal display panel; and   at least two haze layers, on a light emitting side of the liquid crystal display panel;   a polarizer, on the light emitting side of the liquid crystal display panel;   wherein the polarizer comprises:
 a first protection layer; 
 a second protection layer, disposed opposite to the first protection layer; 
   a polarization layer, between the first protection layer and the second protection layer; and
 a pressure-sensitive adhesive layer, disposed on a side of the first protection layer facing away from the polarization layer; 
   at least one of the at least two haze layers is disposed on a side of the polarization layer facing away from the liquid crystal display panel;   wherein hazes of the at least two haze layers are the same, and the hazes of the at least two haze layers range from 65% to 70%.   
     
     
         2 . The display device according to  claim 1 , wherein one of the at least two haze layers is disposed on a side of the second protection layer facing away from the polarization layer. 
     
     
         3 . The display device according to  claim 1 , wherein one of the at least two haze layers is disposed between the first protection layer and the polarization layer. 
     
     
         4 . The display device according to  claim 1 , wherein one of the at least two haze layers is disposed between the second protection layer and the polarization layer. 
     
     
         5 . The display device according to  claim 1 , wherein the at least two haze layers are stacked on a side of the second protection layer facing away from the polarization layer. 
     
     
         6 . The display device according to  claim 1 , further comprising: an anti-glare reflecting layer; wherein the anti-glare reflecting layer is disposed on a side of the at least two haze layers facing away the second protection layer. 
     
     
         7 . The display device according to  claim 1 , wherein one of the at least two haze layers comprises:
 a pressure-sensitive adhesive; and   dispersed particles, at least dispersed in the pressure-sensitive adhesive;   wherein the dispersed particles at least comprise: first dispersed particles and second dispersed particles; diameters of the second dispersed particles are greater than diameters of the first dispersed particles; and a diameter of the dispersed particle ranges from 1 micrometer to 10 micrometers.   
     
     
         8 . A display device, comprising:
 a liquid crystal display panel;   a liquid crystal light control panel, on a light incident side of the liquid crystal display panel; and   at least one haze layer, on a light emitting side of the liquid crystal display panel;   at least two polarizers, on the light emitting side of the liquid crystal display panel;   wherein the at least two polarizers comprise: a first polarizer and a second polarizer disposed in stacked;   the first polarizer is disposed on a side of the second polarizer facing away from the liquid crystal display panel;   wherein both of the first polarizer and the second polarizer comprise:   a first protection layer;   a second protection layer, disposed opposite to the first protection layer;   a polarization layer, between the first protection layer and the second protection layer; and   a pressure-sensitive adhesive layer, disposed on a side of the first protection layer facing away from the polarization layer;   wherein the first polarizer comprises one of the at least one haze layer.   
     
     
         9 . The display device according to  claim 8 , wherein the first polarizer comprises:
 a first haze layer, which is the pressure-sensitive adhesive layer of the first polarizer disposed on a side of the first protection layer of the first polarizer facing away from the polarization layer of the first polarizer; and   the first polarizer and the second polarizer are bonded through the first haze layer;   wherein a haze of the first haze layer ranges from  55 % to  65 %.   
     
     
         10 . The display device according to  claim 9 , wherein the display device comprises two haze layers;
 and the second polarizer comprises:   a second haze layer, which is the pressure-sensitive adhesive layer of the second polarizer disposed on a side of the first protection layer of the second polarizer facing away from the polarization layer of the second polarizer; and   the second haze layer is disposed at a side of the polarization layer of the second polarizer close to the liquid crystal display panel;   wherein a haze of the second haze layer ranges from 55% to 65%.   
     
     
         11 . The display device according to  claim 9 , wherein the display device comprises two haze layers;
 and the second polarizer comprises:   a second haze layer, which is the pressure-sensitive adhesive layer of the second polarizer disposed on a side of the first protection layer of the second polarizer facing away from the polarization layer of the second polarizer;   the second haze layer is disposed at a side of the polarization layer of the second polarizer facing away from the liquid crystal display panel; and   the first polarizer and the second polarizer are bonded through the first haze layer and the second haze layer.   
     
     
         12 . The display device according to  claim 8 , wherein one of the at least one haze layer comprises:
 a pressure-sensitive adhesive; and   dispersed particles, at least dispersed in the pressure-sensitive adhesive;   wherein the dispersed particles at least comprise: first dispersed particles and second dispersed particles; and diameters of the second dispersed particles are greater than diameters of the first dispersed particles; and a diameter of the dispersed particle ranges from 1 micrometer to 10 micrometers.   
     
     
         13 . The display device according to  claim 12 , wherein the first dispersed particles are dispersed in the pressure-sensitive adhesive; and
 at least part of the second dispersed particles is dispersed on a surface of the pressure-sensitive adhesive.   
     
     
         14 . The display device according to  claim 8 , wherein a gate signal line of the liquid crystal display panel is parallel with a gate signal line of the liquid crystal light control panel. 
     
     
         15 . The display device according to  claim 8 , further comprising: an anti-glare reflecting layer; wherein the anti-glare reflecting layer is disposed on a side of the first polarizer facing away the liquid crystal display panel. 
     
     
         16 . The display device according to  claim 8 , wherein the display device further comprises: a first anti-glare reflecting layer and a second anti-glare reflecting layer;
 the first anti-glare reflecting layer is disposed on a side of the second protection layer of the first polarizer facing away from the liquid crystal display panel; and   the second anti-glare reflecting layer is disposed on a side of the second protection layer of the second polarizer facing away from the liquid crystal display panel.   
     
     
         17 . The display device according to  claim 8 , wherein the display device further comprises: a first anti-glare reflecting layer and a second anti-glare reflecting layer;
 the first anti-glare reflecting layer is disposed on a side of the second protection layer of the first polarizer facing away from the liquid crystal display panel; and   the second anti-glare reflecting layer is disposed on a side of the second protection layer of the second polarizer close to the liquid crystal display panel.   
     
     
         18 . The display device according to  claim 8 , wherein a material of the first protection layer comprises at least one of: polyethylene terephthalate, acrylic, cyclo olefin polymer, or triacetyl cellulose. 
     
     
         19 . The display device according to  claim 8 , wherein a material of the second protection layer comprises at least one of: polyethylene terephthalate, acrylic, cyclo olefin polymer, or triacetyl cellulose. 
     
     
         20 . The display device according to  claim 8 , wherein a material of the first protection layer and a material of the second protection layer are a same.

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